MAX17126BETM+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-efficiency, Low-power, Step-Down Converter
• Package: 12-pin TDFN (Thin Dual Flat No-Lead) package
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage Range: 0.9V to 0.95 x VIN
• Maximum Output Current: 1A
• Switching Frequency: 100kHz to 2MHz
• Efficiency: Up to 96%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MAX17126BETM+T has a total of 12 pins. The pin configuration is as follows:

1. EN (Enable): Enable control pin for turning the device on/off.
2. FB (Feedback): Feedback pin for regulating the output voltage.
3. SS/TRK (Soft-Start/Tracking): Soft-start and tracking control pin.
4. PGND (Power Ground): Ground connection for power stage.
5. SW (Switch Node): Switching node connection for inductor.
6. LX (Inductor Connection): Inductor connection for energy storage.
7. BST (Bootstrap): Bootstrap capacitor connection for high-side MOSFET driver.
8. VCC (Supply Voltage): Supply voltage input for internal circuitry.
9. AGND (Analog Ground): Ground connection for analog circuitry.
10. COMP (Compensation): Compensation pin for stability control.
11. SS/TRK (Soft-Start/Tracking): Soft-start and tracking control pin.
12. PGND (Power Ground): Ground connection for power stage.

Functional Features

• High-efficiency step-down converter with integrated power MOSFETs.
• Wide input voltage range suitable for various applications.
• Adjustable output voltage to meet specific requirements.
• Programmable soft-start and tracking functions.
• Overcurrent and overtemperature protection for reliable operation.
• Integrated compensation for stable and optimized performance.

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption. - Wide input voltage range allows for versatile use. - Compact package size saves board space. - Integrated protection features enhance reliability. - Adjustable output voltage provides flexibility.

Disadvantages: - Limited maximum output current of 1A. - Higher switching frequency may require additional filtering. - Requires careful consideration of thermal management.

Working Principles

The MAX17126BETM+T is a step-down (buck) converter that efficiently converts a higher input voltage to a lower output voltage. It utilizes integrated power MOSFETs to minimize external component count and simplify the design. The device operates by controlling the duty cycle of the internal switches to regulate the output voltage. It incorporates a feedback mechanism to continuously monitor and adjust the output voltage, ensuring stability and accuracy.

Detailed Application Field Plans

The MAX17126BETM+T is commonly used in various applications, including but not limited to:

1. Industrial Automation: Powering control systems, motor drives, and sensors.
2. Automotive Electronics: Supplying power to infotainment systems, lighting, and ADAS modules.
3. Telecommunications: Providing power for base stations, routers, and network equipment.
4. Consumer Electronics: Powering portable devices, home appliances, and audio/video equipment.
5. IoT (Internet of Things): Enabling efficient power management in connected devices.

Detailed and Complete Alternative Models

1. MAX17125BETM+T: Similar specifications and features, but with a lower maximum output current of 500mA.
2. MAX17127BETM+T: Higher maximum output current of 2A, suitable for applications requiring higher power.
3. MAX17128BETM+T: Enhanced efficiency and wider input voltage range compared to MAX17126BETM+T.

These alternative models provide options based on specific requirements and can be considered as alternatives to the MAX17126BETM+T.

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